Onkyo-DTR8_8-avr-sm 电路图 维修手册.pdf
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1、DTR-8.8 SERVICE MANUALSERVICE MANUAL AV RECEIVER Black model MODEL DTR-8.8 120V AC, 60HzB UDD, B MDD 220V240V AC, 50HzB UMA, B MMA RC-688M SAFETY-RELATED COMPONENT WARNING! COMPONENTS IDENTIFIED BY MARK ON THE SCHEMATIC DIAGRAM AND IN THE PARTS LIST ARE CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK.
2、REPLACE THESE COMPONENTS WITH ONKYO PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL. MAKE LEAKAGE-CURRENT OR RESISTANCE MEASUREMENTS TO DETERMINE THAT EXPOSED PARTS ARE ACCEPTABLY INSULATED FROM THE SUPPLY CIRCUIT BEFORE RETURNING THE APPLIANCE TO THE CUSTOMER. Ref. No. 4018 Aug, 2007 t d DV
3、DHDD + - OnStandby TV Input TV CH TV VOL -/-10 1112 D.TUN +100Clear 123 456 789 Input Selector VCR/DVRCBL/SATDVD TapeTunerCD Phono Game/TV Macro 123 VCRDVDCDZone2 Remote Mode Dimmer Tape/AMP Sleep ReceiverTVCable VOL CH Disc Album + - Enter T o p M e n u M e n u gn i tuMya l p si D E x i G u i e Pre
4、v CH R e t u r n S e t u p AudioRepeatPlay Mode Open/Close Listening Mode Playlist RandomRec Test ToneCH Sel Direct Stereo Level+Level- L NightAudio Sel THXAll ST Re-EQ Subtitle Video Off VCR Surround SAT Zone3 AUX 1AUX 2 Net/USB CDR/MD/Dock Net/USB RC-688M RadioFans.CN 收音机爱 好者资料库 DTR-8.8 EXPLODED V
5、IEWS-1 DTR-8.8 A070 x 4 pcs. P6800 x 16 pcs. P6800 x 2 pcs. A008 x 3 pcs. A008 x 3 pcs. A032 x 2 pcs. A008 x 2 pcs. A008 x 2 pcs. A114 x 6 pcs. A112 x 3 pcs. A008 x 5 pcs. A069 x 4 pcs. A075 x 3 pcs. A076 x 4 pcs. A112 x 55 pcs. A112 x 7 pcs. A112 x 2 pcs. A112 x 4 pcs. A114 x 2 pcs. A113 x 3 pcs. A
6、113 x 2 pcs. A094 x 2 pcs. A078 x 3 pcs. A066 A400 A022 A414 A410 A086 A022 A104 A100 U10 U15 A110 DD Type MA Type A022 A096 A022 A022 P2801 A022 F2501 F2502 U14 U017 U06 U09 Q4907 Q4908 U26 U31 U32 A120 U11 U13 U12 U42 U25 U28 U27 U07 U44 U08 U30 P102 P205 F9100 F9000 F9101 F9102 F9203 F9202 F9201
7、A116 A118 A024 A067 A106 A092 A090 A098 A008 A105 A079 Refer to in EXPLODED VIEWS-2 P101 P204 P202 U43 A133 A133 A128 A124 A126 A420 A132A132 A072 A304 A008 x 2 pcs. A008 x 2 pcs. A008 x 3 pcs. A008 x 2 pcs. A262 x 2 pcs. A283 x 4 pcs. A008 x 4 pcs. A008 x 13 pcs. A008 x 2 pcs. A112 x 6 pcs. A142 x
8、2 pcs. A201 A281 A301 A253 A255 A259 A266 A261 A137 A270 A263 A264 A203 A251 A008 P7501 U33 U34 U35 U39 U37 U40 U38 P202 A137 RadioFans.CN 收音机爱 好者资料库 DTR-8.8 EXPLODED VIEWS-2 DTR-8.8 A001 U04 U05 A022 A021 A021 A055 A058 T902 T903 T904 A038 A062 A048 A022 Q6093 Q6083 Q6063 Q6053 Q6051 Q6081 Q6061 Q6
9、091 Q6056 Q6066 Q6086 Q6096 Q6084 Q6094 Q6054 Q6064 Q6082 Q6092 Q6052 Q6062 Q6095 Q6085 Q6065 Q6055 Q6090 Q6080 Q6060 Q6050 A015 A001 A022 A022 A022 A022 A022 A022 A018 U36 A040 A049 F9301 P062 P061 A044 A014 A120 F6601 F6603 F6602 F6604 A005 x 4 pcs. A113 x 4 pcs. A011 x 2 pcs. A008 x 8 pcs. A112 x
10、 3 pcs. A008 x 4 pcs. A008 x 3 pcs. A008 x 2 pcs. A025 A096 A033 A064 U03 U01 U18 U23 U21 U19 U20 U22 U24 U02 U16 U17 A008 x 7 pcs. A057 x 2 pcs. A042 x 4 pcs. A076 x 4 pcs. A004 A008 A046 x 4 pcs. A008 x 2 pcs. A008 x 2 pcs. A120 A120 A134 A134 A120 A008 x 2 pcs. A008 x 2 pcs. A008 x 6 pcs. A039 x
11、2 pcs. A008 x 2 pcs. Q6080A x 2 pcs. Q6050A x 2 pcs. A008 x 2 pcs. A008 x 2 pcs. A056 x 8 pcs. A056 x 4 pcs. A056 x 4 pcs. A056 x 2 pcs. A060 x 2 pcs. A056 x 2 pcs. A005 x 4 pcs. A113 x 4 pcs. A009 x 12 pcs. A009 x 16 pcs. RadioFans.CN 收音机爱 好者资料库 DTR-8.8 BLOCK DIAGRAMS-1 AUDIO SECTION A 1 2 3 4 5 BC
12、DEFGH SPDIF RX0 RX5 MCH SR RX6 RX7 DAC_FL DAC_SL DAC_SR DAC_SBR DAC_SBL V_OUT_L V_OUT_R DAC_FR DAC FL MIX L MIX R DAC FR DAC_CT DAC_SW MCH C DAC C MCH SW DAC SW MCH SL MAIN L MAIN R DAC SL DAC CT2 DAC SW2 MCH_SBR MCH_SBL MCH_SR MCH_SL MCH_SW MCH_CT CENTER SURR LEFT SURR RIGHT ZONE2 RIGHT VCR/DVR OUT
13、 TAPE OUT SURR BACK FRONT RIGHT FRONT LEFT - FRONT RIGHT(BTL) + - FRONT LEFT(BTL) + TAPE VCR/DVR IN CBL/SAT GAME/TV DVD OUT MAIN,SUB IN 1-4 ch3 ch4 ch14 SURR BACK or Bi-AMP LEFT or Bi-AMP RIGHT RS232 RS232 Q3031 ICL3221E RIex RI INTERFACE OPTICAL IN 1 DIGITAL IN (FRONT) COAX IN 2 COAX IN 1 HDMI SPEA
14、KER TERMINALS 7 CH POWER AMPLIFIERS C SBL HDMI I/F FLASH ROM SD_RAM I2S DSD FL FR SL SR +20dB SW2 I2S I2S DSD PHONO OPTICAL IN 2 +29dB +29dB +29dB +29dB +29dB +29dB +29dB ZONE2 LEFT SBR L FRONT SURR SURR BACK R SUBWOOFER CENTER L R L R PRE OUT CD DD Type Only TUNER UNIT HD RADIO: DD Type only AM LOO
15、P ANTENNA FM ANTENNA SW R L R L ZONE2 PRE OUT/LINE OUT TONE Q4204 R2S15211FP 0dB FIX ZONE3 PRE OUT/LINE OUT ADC -6dB -6dB Q3041 CS42516 MAIN B Z2 Z3 C2 RL FL FR C SW SL SR SBL SBR Q4305 NJU7313A HEADPHONES (DVD audio,etc) Q4306 NJU7311A 0dB Video REC 0dB-6dB -6dB Q4405 CS3318 VIDEO IN AUX 2 AUX 1 Q4
16、029 TC94A46CFG ch13 ch12 ch11 ch10 ch9 ch8 ch2 RIAA XM Sirrus MAIN A DIR TONE 0dB FIX NJU7313A ch7 ch6 ch5 Q4304 NJU7312A NJU7312A 0dB FIX 0dB FIX SETUP MIC OPTICAL OUT . COAX IN 3 MULTI CHANNEL INPUT FL FR C SW SL SR SBL SBR LR L R L R L R L R L R L R L R L R L R L R PCM1796 DAC PCM1796 DAC Q3701Q3
17、721Q3741Q3761Q3781 PCM1796 DAC PCM1796 DAC PCM1796 DAC TC74VHC157FTMULTIPLEXER . . . . I2S/DSD MULTIPLEXER TC74VHC157FT Q3001 TC74VHC157FT Refer to SCHEMATIC DIAGRAM-9 and -29 (SD-9 and SD-29) for digital audio signal flow waveforms. +6dB VLSC +6dB VLSC +6dB VLSC +6dB VLSC +6dB VLSC +6dB VLSC +6dB V
18、LSC +6dB VLSC +6dB VLSC +6dB VLSC SW SW IR OUT IR IR IN B IR IN A 12V TRIGGER OUT B 12V TRIGGER CONTROL REMOTE SENSOR 12V TRIGGER OUT A 12V TRIGGER OUT C INTERFACE DSP BLOCK SD-10, 11 2nd DSP Q3501 TMS320D788E001BRFP266 or TMS320D708E001BRFP266 (SD-11) 1st DSP Q3401 TMS320D790E001BZDH275 or TMS320D7
19、10E001BZDH275 (SD-10) 3rd DSP Q3601 TMS320D707E001BRFP250 (SD-11) NET BOARD NALAN-9121 SD-20 to 27 HDMI BOARD NAHDM-9114 SD-15 to 19 NAVD-9052 SD-6 NADG-9074 SD-9 Q7001 M3087BFKBGP MAIN MICROPROCESSOR Analog SwitchVolume Audio Selector, Volume, Tone Analog Switch Analog Switch BLOCK DIAGRAMS-2 VIDEO
20、 SECTION DTR-8.8 A 1 2 3 4 5 BCDEFGH CBL/SAT VCR/DVR AUX 1 DVD GAME/TV MONITOR OUT VCR/DVR OUT MONITOR OUT VCR/DVR OUT S VIDEO OUTPUT ZONE 2 OUT AUX 2 (FRONT) CBL/SAT VCR/DVR AUX 1 DVD GAME/TV AUX 2 (FRONT) C YC YC YC YC YC Y COMPOSITE VIDEO COMPOSITE VIDEO CB1 CR1 Y2 CB2 CR2 CR3 Y3 CB3 Y1 IN 1 IN 2
21、 IN 3 Y CB CR COMPONENT VIDEO C CB CR Y Y CB CR CVBS Y C HDBSC Y CVBS HDBPY HDBPB HDBPB 24MHz MAX S VIDEO INPUT COMPOSITE VIDEO COMPONENT VIDEO HDMI BOARD NAHDM-9114 (SD-15 TO SD-19) VIDEO BOARD NAVD-9052 (SD-6) CY CY HDBCV 12MHz MAX HDBSY MONITOR OUT 1 C-DET MAIN MAIN Z2 Z2 NOTE MMP is short for MA
22、IN MICROPROCESSOR. S-DET Z2 S-DET LPF(12MHz) LPF(12MHz) LPF(12MHz) LPF(6MHz) Y CB CR MAIN Z2 Q2201 NJW1321 74HC4051 VMUT Q2012,Q2013 NJM2587 Q2012,Q2013 NJM2587 BPF(140K-6MHz) LPF(6MHz) HDAPY HDAPB HDAPR HDACV HDASC HDASY Q2206 NJM2586A 100MHz -3dB LPF(12MHz) LPF(12MHz) LPF(6MHz) LPF(6MHz) LPF(12MHz
23、) BPF(140K-6MHz) 6dBDRV DRV MMP 6dBDRV 6dBDRV 6dBDRV DRV6dB 6dBDRV . 6dB . 6dB . . 6dB 6dB 6dB . . 6dB 6dB 6dB 6dB 6dBDRV 6dBDRV 75 75 75 75 75 75 6dBDRV 6dBDRV 6dBDRV 6dBDRV 6dB MMP MMP MONITOR OUT 2 / ZONE 2 OUT MMP MMP Y CB CR VMUT Q2207 NJM2586A 100MHz -3dB 6dB 6dB 6dB Analog Switch Video Switch
24、 Video Amp Y/C Mix Refer to SCHEMATIC DIAGRAM-6, -17 and -29 (SD-6, SD-17 and SD-29) for video and HDMI signal waveforms. Q2014 MM1512 Q2027 NJU7312AM VCL VDATA VSTB Analog switch MMP BLOCK DIAGRAMS-3 HDMI SECTION DTR-8.8 A 1 2 3 4 5 BCDEFGH HDASY HDAPR HDAPB HDAPY HDACV HDASC SDA_VDVE SCL_VDVE INT_
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